Lazy, what that quote means is that it's not intended to foreshadow anything that happens after ANH--everything in canon is still out there, they're just trying to recreate the fresh tone of stories that came out between '77 and '80.

It wasn't taken out of context by Wookieepedians. The page that Lazy Stormtrooper was referencing is this one --- it's a simply copy-paste from various interviews with no additional inferences, context, or commentary offered.